15% Wildcat
12x6 APC prop <---(Typo is actually 10x6)
apx 250ft above sea level
stock muffler with rubber deflector pipe
apx 30-40 flights

11,400 RPM run at 11K

Runs about 200 - 400 RPM slower with a Master airscrew. 5% Nitro cuts RPM down to the low 10's and runs high 9's (Sounds like quarter mile times.)